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An asthma attack is usually mediated by an inflammatory pathway, where a trigger such as an allergen could lead to a series of immune response mediated by various types of immune cells. [ 3 ] Common triggers for asthma include allergens like pet dander, dust mites , pollens and molds .
These illnesses can cause inflammation of the airways, triggering asthma symptoms, according to Allergy & Asthma Network. People also typically spend more time indoors during the winter, where ...
Other potential triggers include medications such as aspirin and beta blockers. [4] Diagnosis is usually based on the pattern of symptoms, response to therapy over time, and spirometry lung function testing. [5] Asthma is classified according to the frequency of symptoms of forced expiratory volume in one second (FEV 1), and peak expiratory ...
"This causes recurrent episodes of coughing, wheezing, and chest tightness," says Dr. Laura Conrad, director of the Pediatric Asthma Center at the Children’s Hospital at Montefiore in New York.
(It is usually classified as type I hypersensitivity.) [4] [5] In response to exposure to these triggers, the bronchi (large airways) contract into spasm (an "asthma attack"). Inflammation soon follows, leading to a further narrowing of the airways and excessive mucus production, which leads to coughing and other breathing difficulties.
While asthma is typically diagnosed in childhood, adults can develop the condition, too, and adult-onset asthma is more common among women, says Dr. Yasmin Hamzavi, MD, an allergist and ...
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